:root {
  --background-color: #ffffee;
  --primary-color: #117743;
  --primary-hover: #0d5a33;
  --dark-bar: #1a2744;
  --card-color: #fff9e6;
  --border-color: #e0d8c8;
  --text-color: #1a1a2e;
  --spacing-unit: 4px;
  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --font-inter: "Inter", sans-serif;
  --font-georgia: Georgia, serif;
}

.seva-app {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: var(--font-inter);
  padding: calc(var(--spacing-unit) * 8);
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--dark-bar);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: var(--radius-lg);
}

.header-content {
  display: flex;
  align-items: center;
}

.logo-section {
  display: flex;
  align-items: center;
}

.logo {
  margin-right: calc(var(--spacing-unit) * 4);
}

.title-section {
  color: white;
  font-family: var(--font-georgia);
}

.billboard-container {
  background-color: var(--dark-bar);
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
  color: white;
  border-radius: var(--radius-md);
}

.billboard-ticker {
  display: flex;
  align-items: center;
}

.billboard-message {
  animation: billboard-animate 10s linear infinite;
}

@keyframes billboard-animate {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

.ashram-time-bar {
  display: flex;
  justify-content: center;
  margin: calc(var(--spacing-unit) * 4) 0;
  padding: calc(var(--spacing-unit) * 2);
}

.time-item {
  display: flex;
  align-items: center;
  padding: 0 calc(var(--spacing-unit) * 2);
}

.time-label {
  margin-right: var(--spacing-unit);
}

.time-value {
  font-weight: bold;
}

.time-divider {
  margin: 0 calc(var(--spacing-unit) * 2);
}

.seva-nav {
  display: flex;
  justify-content: center;
  margin: calc(var(--spacing-unit) * 6) 0;
}

.seva-tabs {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
}

.seva-tab {
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
  background-color: var(--card-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color 0.3s;
}

.seva-tab.active,
.seva-tab:hover {
  background-color: var(--primary-color);
  color: white;
}

.seva-module-container {
  display: flex;
  gap: calc(var(--spacing-unit) * 8);
  margin-top: calc(var(--spacing-unit) * 6);
}

.seva-section-header {
  font-family: var(--font-georgia);
  font-size: 24px;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.seva-card {
  background-color: var(--card-color);
  padding: calc(var(--spacing-unit) * 6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s;
}

.seva-card:hover {
  box-shadow: var(--shadow-md);
}

.seva-btn {
  display: inline-block;
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 6);
  background-color: var(--primary-color);
  color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  text-decoration: none;
  text-align: center;
  transition: background-color 0.3s;
}

.seva-btn:hover {
  background-color: var(--primary-hover);
}

.seva-btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  transition: background-color 0.3s;
}

.seva-btn-outline:hover {
  background-color: var(--primary-color);
  color: white;
}

.seva-badge {
  display: inline-block;
  padding: calc(var(--spacing-unit) / 2) calc(var(--spacing-unit) * 2);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  border: 2px solid;
}

.seva-badge-high {
  background-color: #ffeded;
  border-color: #ff4d4d;
  color: #ff4d4d;
}

.seva-badge-medium {
  background-color: #fff6e5;
  border-color: #ffaa56;
  color: #ffaa56;
}

.seva-badge-pending {
  background-color: #eef7ff;
  border-color: #56aaff;
  color: #56aaff;
}

.seva-empty-state {
  margin-top: calc(var(--spacing-unit) * 6);
  text-align: center;
  color: var(--text-color);
}

.app-footer {
  margin-top: calc(var(--spacing-unit) * 8);
  padding: calc(var(--spacing-unit) * 6) 0;
  background-color: var(--dark-bar);
  border-radius: var(--radius-lg);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: calc(var(--spacing-unit) * 4);
}

.footer-links a {
  color: white;
  text-decoration: none;
}

.auth-btn {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-unit) calc(var(--spacing-unit) * 6);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition: background-color 0.3s;
}

.auth-btn:hover {
  background-color: var(--primary-hover);
}

.auth-user-info {
  display: flex;
  align-items: center;
}

.auth-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: calc(var(--spacing-unit) * 2);
}

.auth-name {
  color: white;
}

.auth-signout {
  margin-left: calc(var(--spacing-unit) * 4);
  color: white;
  cursor: pointer;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 4);
}

@media (max-width: 768px) {
  .seva-app {
    padding: var(--spacing-unit) * 4;
  }

  .app-header,
  .ashram-time-bar,
  .seva-nav,
  .app-footer {
    flex-direction: column;
  }

  .auth-user-info {
    flex-direction: column;
    align-items: center;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
  }
}